Journal of Fluids Engineering: Recent submissions
Now showing items 6381-6400 of 9024
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Relaxation of the Turbulent Boundary Layer After an Abrupt Change From Rough to Smooth Wall (Data Bank Contribution)
(The American Society of Mechanical Engineers (ASME), 1993)Measurements of velocity and turbulence intensity profiles and skin friction coefficient are presented for turbulent flat-plate boundary layer flow over a test surface with a rough-to-smooth step ... -
U.S. Technological Competitiveness: A Fluids Engineers’ Viewpoint: Column 5—In Recapitulation of our Previous Editorials
(The American Society of Mechanical Engineers (ASME), 1993) -
Measurement and Calculation of Fluid Dynamic Characteristics of Rough-Wall Turbulent Boundary-Layer Flows
(The American Society of Mechanical Engineers (ASME), 1993)Experimental measurements of profiles of mean velocity and distributions of boundary-layer thickness and skin friction coefficient from aerodynamically smooth, transitionally rough, and fully rough ... -
Effects of a Large Eddy Breakup Device on the Fluctuating Wall Pressure Field (Data Bank Contribution)
(The American Society of Mechanical Engineers (ASME), 1993)Wall pressure spectra and mean velocity profiles were measured with and without a large eddy breakup device (LEBU) located upstream in high Rθ turbulent boundary layers. Changes of the order ... -
Ventilated Flow in the Unobstructed Space Between Corotating Disks in a Cylindrical Enclosure
(The American Society of Mechanical Engineers (ASME), 1993)An experimental investigation has been performed for the ventilated flow of air in the unobstructed space between the center pair of four disks corotating in a fixed cylindrical enclosure. This ... -
On the Flow Structure Due to Corotating Disks With a Ventilated Hub
(The American Society of Mechanical Engineers (ASME), 1993)The effects of hub ventilation on the flow structure between corotating disks enclosed in a stationary cylindrical shroud have been studied using quantitative flow visualization. The ventilation ... -
Influence of Vibration Amplitude on Laminar Flow Over a Plate Vibrating at Low Strouhal Number
(The American Society of Mechanical Engineers (ASME), 1993)The spectral and hydrodynamic response of laminar flow over a flat plate with a vibrating section forced in sinusoidal motion with a dimensionless amplitude ratio, H0 (vibration amplitude divided ... -
Improved Approximate Method for Simulating Frequency-Dependent Friction in Transient Laminar Flow
(The American Society of Mechanical Engineers (ASME), 1993)A new approximation to the weighting function in Zielke’s (1967) equation is used in an improved implementation of Trikha’s (1975) method for including frequency-dependent friction in transient ... -
A Study on the Noise Generation Mechanism in a Circular Air Jet
(The American Society of Mechanical Engineers (ASME), 1993)An investigation of the noise generation mechanism of turbulent structures in a subsonic air jet has been done theoretically as well as experimentally. Based on the results obtained, it is ... -
Three-Dimensional Calculation of Air-Water Two-Phase Flow in Centrifugal Pump Impeller Based on a Bubbly Flow Model
(The American Society of Mechanical Engineers (ASME), 1993)To predict the behavior of gas-liquid two-phase flows in a centrifugal pump impeller, a three-dimensional numerical method is proposed on the basis of a bubbly flow model. Under the assumption ... -
Flow Field in the Secondary, Seal-Containing Passages of Centrifugal Pumps
(The American Society of Mechanical Engineers (ASME), 1993)This paper illustrates the impact of seal configuration on the through-flow leakage in centrifugal pumps with shrouded impellers. The flow model is based on the Petrov-Galerkin finite element ... -
A Pressure-Velocity Solution Strategy for Compressible Flow and Its Application to Shock/Boundary-Layer Interaction Using Second-Moment Turbulence Closure
(The American Society of Mechanical Engineers (ASME), 1993)A nonorthogonal, collocated finite-volume scheme, based on a pressure-correction strategy and originally devised for general-geometry incompressible turbulent recirculating flow, has been extended to ... -
Numerical Simulation of Laminar Flow of Yield-Power-Law Fluids in Conduits of Arbitrary Cross-Section
(The American Society of Mechanical Engineers (ASME), 1993)A numerical model has been developed to simulate laminar flow of Power-law and Yield-Power law fluids in conduits of arbitrary cross-section. The model is based on general, nonorthogonal, ... -
Analysis of an Electromagnetic Boundary Layer Probe for Low Magnetic Reynolds Number Flows
(The American Society of Mechanical Engineers (ASME), 1993)Electromagnetic (EM) flow meters are used to measure volume flow rates of electrically conductive fluids (e.g., low magnetic Reynolds number flows of seawater, milk, etc.) in pipe flows. The ... -
Numerical Modeling of Waveguide Heated Microwave Plasmas
(The American Society of Mechanical Engineers (ASME), 1993)Waveguide-heated microwave plasmas for space propulsion applications are analyzed by a two-dimensional numerical solution of the combined Navier-Stokes and Maxwell equations. Two waveguide ... -
Computation of Flow Fields Induced by Water Spraying of an Unconfined Gaseous Plume
(The American Society of Mechanical Engineers (ASME), 1993)Flow fields induced by the interaction of water sprays and a gaseous plume have been studied in the context of absorbing and dispersing an accidental release of toxic gas in the air. The ... -
Effect of Particle Residence Time on Particle Dispersion in a Plane Mixing Layer
(The American Society of Mechanical Engineers (ASME), 1993)A particle dispersion has been experimentally investigated in a two-dimensional mixing layer with a large relative velocity between particle and gas-phase in order to clarify the effect of ... -
Numerical Versus Experimental Cavitation Tunnel (A Supercavitating Hydrofoil Experiment)
(The American Society of Mechanical Engineers (ASME), 1993)A supercavitating hydrofoil experiment is performed at the MIT Variable Pressure water tunnel, at several angles of attack and cavitation numbers. The velocity is measured on a rectangular contour ... -
Discharge Coefficient for Free Jets From Orifices at Low Reynolds Number
(The American Society of Mechanical Engineers (ASME), 1993) -
Mach Number Scaling of Single-Component, Two-Phase Flow
(The American Society of Mechanical Engineers (ASME), 1993)A simple two-fluid formulation is used to investigate compressibility effects and Mach number scaling for equilibrium, evaporating two-phase flow. The definition of the local two-phase Mach number ...